2 good books, water sustainability, okra & butterfly season

I never used to read science fiction.  But technology and sustainability hold my attention and I read good futuristic books on these topics.  "Ghost Fleet" a technothriller on the next world war portends problems with technology and is well researched with extensive footnotes.  Now I have completed my interactive Python programming course with Rice University via Coursera, I have begun my next read, the Water Knife about a water starved west beset with dust clouds and violence.  Both are excellent Read more [...]